Quick answers
- Does Duyen J. Magnuson accept Medicare assignment?
- Yes. Medicare's clinician data says Duyen J. Magnuson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Duyen J. Magnuson see?
- In 2024, CMS data shows 77 Original Medicare patients and 229 services for Duyen J. Magnuson. This counts Original Medicare only and measures volume, not quality.
- What is Duyen J. Magnuson's NPI number?
- 1558043570. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Duyen J. Magnuson, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 77 |
|---|---|
| Services billed to Medicare | 229 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)105 services
- Hemoglobin a1c level (83036)33 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)24 services
- New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)15 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure73%
- High cholesterol68%
- Arthritis42%
- Diabetes39%
- Depression32%
- Ischemic heart disease22%
Practice locations
Addresses where Duyen J. Magnuson is enrolled with Medicare (CMS data updated October 2, 2026).
- 2510 W Walnut St, Suite 101Garland, TX 75042 (945) 284‑0038
- 3400 Interstate Hwy 30, Suite 220Mesquite, TX 75150 (214) 358‑2300
- 7150 N President George Bush Hwy, Suite 204Garland, TX 75044 (214) 358‑2300
Group practices
Medicare enrollment lists Duyen J. Magnuson as a member of these groups (CMS data updated October 2, 2026).
- Dallas Nephrology Associates157 clinicians in the group
- Oak Street Health of Texas PLLC101 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Garland
Clinicians with the same Medicare primary specialty in Garland, TX — not a recommendation.
Other clinicians in Dallas Nephrology Associates
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558043570 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians